CN108506005A - A kind of earth pressure balance model shield testing machine of achievable cutterhead pressure monitoring function - Google Patents
A kind of earth pressure balance model shield testing machine of achievable cutterhead pressure monitoring function Download PDFInfo
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- CN108506005A CN108506005A CN201810197391.9A CN201810197391A CN108506005A CN 108506005 A CN108506005 A CN 108506005A CN 201810197391 A CN201810197391 A CN 201810197391A CN 108506005 A CN108506005 A CN 108506005A
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- cutterhead
- shield
- lining cutting
- soil
- pressure
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 239000002689 soil Substances 0.000 claims abstract description 79
- 230000005641 tunneling Effects 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000004088 simulation Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000009412 basement excavation Methods 0.000 claims description 32
- 230000006870 function Effects 0.000 claims description 25
- 238000005192 partition Methods 0.000 claims description 20
- 238000007667 floating Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 12
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000002474 experimental method Methods 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 230000009993 protective function Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 230000009897 systematic effect Effects 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 7
- 238000011160 research Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/124—Helical conveying means therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of earth pressure balance model shield testing machine of achievable cutterhead pressure monitoring function, first lining cutting is fixed on outside shield shell before on-test, lining cutting and shield shell section is made to keep concentric.Lining cutting sensor is embedded in lined internal, and lead is exported by the wire lead slot being arranged in lining cutting, and is connect with data acquisition instrument.Cutterhead sensor lead enters cutter plate driver axis by the wire casing at the cutter head panel back side, thus sensor lead guides to cutter plate driver shaft end.Soil body configure is filled in installation is complete backward model casing, startup shield machine is through progress Shield Tunneling simulation test after the completion of filling.The soil pressure and water pressure in front of pressure sensor acquisition cutterhead on cutterhead, is acquired in real time by wireless transmission and reception device.The soil pressure and water pressure outside pressure sensor monitoring lining cutting in lining cutting, data are acquired by external data harvester.
Description
Technical field
The present invention relates to a kind of earth pressure balance model shield testing machines of achievable cutterhead pressure monitoring function, belong to shield
Experimental technique field.
Background technology
Shield method build tunnel have speed of application is fast, noise is small, does not influence traffic above-ground, be that subway tunnel is built in city
The first choice of construction.But shield construction also inevitably to surrounding formation and environmental effects, carries out the field test period
It is long, of high cost, influenced by formation condition, therefore using model shielding machine carry out tunnel excavation simulation test be a kind of important
Research method.For preferably influence of the research Shield Construction Method Used to ambient enviroment in the lab, lot of domestic and international scholar
Model shield testing machine is studied, the small-sized shield for carrying out centrifugal test developed such as Nomoto (1999) et al.
The mini Mod shield machine and the limited public affairs of domestic Shanghai tunnel share suitable for clay that machine, Champan (2006) et al. are established
Take charge of small shield simulation test bed, the Shanghai tunnel joint Zhejiang University of limited liability company (1996) developed, Tongji University etc.
(2004) bivalve single-screw model shield, the Traffic In Beijing of the major diameter model shielding machine, Tongji University (2006) development developed
The minor diameter slurry balance shield machine of earth pressure balanced shield, EPBS equipment, He Chuan (2013) developments that university (2007) develops, Shandong are big
The minor diameter slurry balance shield etc. that (2016) are developed is learned, these model shield testing machines can preferably simulate the pick of shield
Into process, but the section of jurisdiction protective function in shield-tunneling construction is can not achieve, can not realize the monitoring of cutterhead and lining cutting pressure.On
Extra large university (2013) devises a kind of earth pressure balanced shield, EPBS experimental rig of achievable liner supporting function, but the pilot system is set
It counts relatively simple, differs larger with true shield machine, and the design in soil pressure cabin is only applicable to the stream preferable bury of plasticity, is applicable in
It is limited in scope, but the shield machine can not realize the monitoring of cutterhead and lining cutting pressure.Tongji University (2013) devises one kind can
To carry out the model shielding machine of excavation face Experimental Study on Armored Stability of Bed, but the shield machine can not achieve jacking function.It thus designs a kind of
Real simulation shield machine driving and liner supporting function and it can realize that the soil pressure of cutterhead and the monitoring function of lining cutting pressure is flat
The model shield testing machine that weighs is very necessary.
Invention content
The purpose of the present invention is to provide can a kind of earth pressure balance model of achievable cutterhead and lining cutting pressure monitoring function
Shield testing machine, energy real simulation shield machine driving and liner supporting function, and can realize cutterhead and the monitoring work(of lining cutting pressure
Energy.
In order to achieve the above object, present invention employs following technical schemes：
A kind of earth pressure balance model shield testing machine of achievable cutterhead and lining cutting pressure monitoring function, including model casing,
Cutting system, jacking system, be unearthed system, support system and pressure monitor system.
The forward and backward excavation face of model casing (1), which is reserved to excavate hole (26) and reserve afterwards before being respectively set, excavates hole (27), preceding pre-
It stays to excavate and sealing ring is installed at hole (26) and rear reserved excavation hole (27) position, preceding reserved excavation hole (26) outside setting is floated
It supports (2).Shield shell (3) front end is connect with partition board (4), and rear end is connect with shield tail.Cutting system includes cutterhead (5), cutterhead drive
Moving axis (6), partition board (4) and cutter plate driver motor (7).Cutterhead (5) passes through cutter plate driver axis (6) and cutter plate driver motor (7) phase
Even, cutter plate driver axis (6) is mounted on partition board (4), and cutter plate driver motor (7) is fixed on shield tail.Shield machine is opened by preceding reserve
Borehole (26) enters model casing (1), and cutter plate driver motor (7) is rotated by cutter plate driver main shaft (6) band movable knife disc (5), is realized
Digging to the front soil body.Jacking system includes jacking motor (8), two jacking leading screws (9), two guiding optical axises (10), floats
Dynamic support (2), two mobile sliding blocks (11).Mobile sliding block (11) is fixed on shield shell tail portion, and is connect with jacking leading screw (9).Top
Stepper motor (8) is mounted on reaction frame (13), and jacking motor (8) drives jacking leading screw (9) to rotate by synchronous pulley (12), with
This drives mobile sliding block (11) to move forward, to realize shield machine jacking forward.Be oriented to the both ends of optical axis (10) respectively with it is floating
Dynamic support (2) and reaction frame (13) connection, two are oriented to optical axis (10) and tunnel longitudinal centre line keeping parallelism, model shielding machine
It is tunneled forward along optical axis (10) is oriented to.
Unearthed system includes soil output (14), soil output driving motor (15), soil-discharging port (16), dregs case
(17).Space between cutterhead (5), partition board (4) and lining cutting (18) constitutes soil pressure cabin (19).Soil output (14) selects axis
Formula stretches into soil pressure cabin (19) into Tu Kou, and soil outlet is connected with the soil-discharging port (16) at shield machine rear portion, and dregs is arranged from soil-discharging port (16)
Dregs case (17) is fallen directly into after going out.
Support system includes lining cutting (18), floating support (2) and mounting flange (20).PE tubing is selected in lining cutting (18), interior
Diameter is bigger than shield shell outer diameter, and lining cutting (18) is sleeved on shield shell (3) outside, in partition board (4) and shield shell (3) end that lining cutting (18) are solid
It is scheduled on outside shield shell, holding shield shell (3) and lining cutting (18) section is concentric circles.It is spelled before lining cutting (18) and the setting of shield shell (3) junction
Dress formula lantern ring (21), rear pin-connected panel lantern ring (22), with preceding pin-connected panel lantern ring (21), rear pin-connected panel lantern ring (22) and lining cutting (18) and
Shield shell (3) is fixed together, and prevents water, soil from entering the gap between lining cutting (18) and shield shell (3).Cutterhead (5) diameter and lining cutting
(18) diameter is identical, and it is bigger 5mm than lining cutting (18) diameter to excavate diameter of section.Cutterhead (5) is freely disassembled, cutterhead after the completion of excavation
(5) it appears from rear reserved excavation hole (27), lining cutting (18) is fixed on model casing (1) using mounting flange (20).By cutterhead
(5) it and after preceding pin-connected panel lantern ring (21), rear pin-connected panel lantern ring (22) dismounting, takes and recalls model shielding machine original road, that is, complete mould
The excavation of shield tunnel and supporting in type experiment.
Cutterhead pressure monitor system includes compression sensor (28), osmometer (29), wireless transmitter (30).Cutterhead
(5) five compression sensors (28) and three osmometers (29), one pair of which compression sensor (28) and a pair are arranged on
Osmometer (29) is arranged in the center of cutterhead (5), remaining compression sensor (28) and osmometer (29) are arranged in cutterhead periphery.
Cutterhead bearing (6) front be hollow structure, compression sensor (28), osmometer (29) lead pass through cutterhead (5) back side line
Slot (31) enters cutterhead bearing (6) inside, and is connect with the wireless transmitter (30) at cutterhead bearing (6) rear portion.Wireless transmitter
(30) it is fixed on cutterhead bearing (6) end.The electric signal of pressure sensor can be filled and change wireless communication by wireless transmitter (30)
Number launch, the radio receiver of outside setting converts radio signals into electric signal again, by demodulating instrument by telecommunications
Number being converted into pressure data is stored.
Shield machine base (23) installs Process for Heavy Support foot universal wheel (24), and shield machine can be easily realized when universal wheel lands
It is mobile.After model casing (1) position is fixed, shield machine is moved to matching position, support leg is made to land, by adjusting support leg
Height makes shield machine base (23) and model casing (1) pedestal be maintained at the same horizontal plane.Shield machine base (23) and model casing
(1) pedestal is linked together by pedestal connecting plate (38) using high-strength bolt.Floating support (2) passes through floating support connecting plate
(34) it links together with model casing (1), jacking leading screw mounting hole is provided on floating support connecting plate (34).Shield machine base
(23) rear setting reaction frame (13) is provided with two and is oriented to optical axis (10), model shield between reaction frame (13) and model casing (1)
Structure machine tunnels forward after originating along guiding optical axis (10).
Cutterhead (5) is plate spoke cutterhead, and aperture opening ratio is designed according to the type banketed in model casing.Partition board is pacified on (4)
Soil pressure cell (32) is filled, to monitor the soil pressure in soil pressure cabin (19), soil pressure cell (32) lead passes through shield shell (3) inside
Conduit (35) is drawn.
Pin-connected panel lantern ring includes preceding pin-connected panel lantern ring (21) and rear pin-connected panel lantern ring (22), and preceding pin-connected panel lantern ring (21) passes through
Bolt is fixed on partition board (4), and rear pin-connected panel lantern ring (22) links together shield shell (3) with lining cutting (18) at shield tail.
Floating support (2) is provided with the mounting hole (25) and jacking leading screw mounting hole (34) for being oriented to optical axis, central excavation
Five bearings (33) are installed in hole, can prevent model shielding machine tunneling direction from deviateing, while reducing the resistance in driving.
Excavation system, jacking system and unearthed system are all independent control.It can acquire and record in real time in excavation system
The rotating speed and torque of cutterhead, with cutterhead rotating speed, parameter, cutterhead can realize positive and negative rotating function in order to control.It can be adopted in real time in jacking system
Collection and record move speed, jacking displacement and jacking power can implementation models during experiment using move speed as controling parameter
Advance, shutdown and the fallback function of shield machine.It can acquire and record in real time the rotating speed of soil output in the system of being unearthed, and with
This can also realize positive and negative rotating function as controling parameter, soil output.Each systematic parameter is controlled and is supervised by console
It surveys.
Compression sensor (28) and osmometer (29) precision height, diameter are small, are rear line-outgoing type structure, embedded cutterhead spoke
Intralamellar part, sensitive surface are flushed with disc surface, and the lead of the wire lead slot inner sensor of cutterhead (5) and cutterhead bearing (6) is sealed with glue
Dress is inside it.
The present invention the course of work and operation principle be：
First lining cutting is fixed on outside shield shell before on-test, lining cutting and shield shell section is made to keep concentric.Lining cutting senses
Device is embedded in lined internal, and lead is exported by the wire lead slot being arranged in lining cutting, and is connect with data acquisition instrument.Then knife is installed
Disk, cutterhead sensor lead enter cutter plate driver axis by the wire casing at the cutter head panel back side, and cutter plate driver axis is hollow member, is passed
Thus sensor lead guides to cutter plate driver shaft end, and connect with wireless transmitter.It fills and matches in installation is complete backward model casing
The soil body set starts shield machine through carrying out Shield Tunneling simulation test after the completion of filling.Cutter plate driver motor passes through knife
Disk drive shaft band movable knife disc rotates, and realizes the cutting to the front soil body.Jacking motor drives two jacking leading screws by synchronous pulley
Synchronous rotary drives mobile sliding block to move forward, shield machine is made constantly to tunnel forward with this.The soil to get off is cut in tunneling process
Body enters the soil pressure cabin between cutterhead and partition board, and soil pressure cabin, the row of outlet and shield machine rear portion are stretched into the import of soil output
Tu Kou is connected, and starting soil output makes dregs be discharged into dregs case from soil pressure cabin.In digging process, the pressure sensing on cutterhead
Device monitors soil pressure and water pressure in front of cutterhead in real time, by wireless transmission and reception device real time emission and acquisition cutterhead and
Soil pressure in lining cutting and hydraulic pressure force data.After the completion of excavation, shield machine front end is appeared from rear reserved excavation hole, using fixation
Lining cutting is fixed on model casing by orchid, then dismantles cutterhead, so that shield machine is recalled along driving route original road, lining cutting is stayed in out
It digs in the tunnel completed, the driving and protective function of experiment shield machine is realized with this.
Compared with prior art, the present invention has the following technical effect that.
(1) this earth pressure balance model shield testing machine can not only simulate the excavation tunneling process for digging true shield machine, but also can
To simulate the liner supporting function in shield machine tunneling process；
(2) this earth pressure balance model shield testing machine can be monitored in shield machine tunneling process in real time outside excavation face and lining cutting
The soil pressure and water pressure in portion；
(3) it is tested using the model shielding machine, can not only carry out shield machine boring parameter, shield machine tunneling construction
On the research that stratum and existing structure influence, can also carry out during newly-built shield tunnel construction and after the completion of construction lining cutting by
Power, deformation research；
(4) jacking system is driven using heavy-duty motor in this earth pressure balance model shield testing machine, and shield machine fuselage is long
When spending identical, driving distance is 2 times of the previous shield machine using hydraulic cylinder jacking；
(5) shield machine floor installation Process for Heavy Support foot universal wheel, it may be convenient to realize the movement of shield machine, position and look for
It is flat.
Description of the drawings
Fig. 1 is model shielding machine three-dimensional overview of the present invention；
Fig. 2 is model shielding machine and model casing relative position 3-D view of the present invention；
Fig. 3 is cutterhead sensor arrangement figure of the present invention；
Fig. 4 is cutterhead back side wire casing layout drawing of the present invention；
Fig. 5 is shield machine internal cross section view of the present invention；
Fig. 6 is lining cutting 3-D view of the present invention；
Fig. 7 is soil pressure cabin partition board front view of the present invention.
Specific implementation mode
The present invention is further described in detail below in conjunction with the accompanying drawings：
If Fig. 1~7 show, a kind of earth pressure balance model shield of achievable cutterhead and lining cutting pressure monitoring function of the present invention
Structure testing machine, including model casing, shield shell, cutting system, jacking system, unearthed system, support system and pressure monitor system.
After model casing (1) is fixed on experiment designated position, the universal wheel (24) of shield machine base (23) is set to land, by shield
Structure machine is moved to matching position, and support leg (24) is then made to land, and the height by adjusting support leg (24) makes shield machine base
(23) it is maintained at the same horizontal plane with model casing (1) pedestal.Using high-strength bolt by shield machine base (23) and model casing (1)
It links together.
Before on-test, first cutterhead (5) are dismantled, are incited somebody to action using preceding pin-connected panel lantern ring (21), rear pin-connected panel lantern ring (22)
It is external that lining cutting (18) is fixed on shield shell (3), and lining cutting (18) and shield shell (3) section is made to keep with one heart, and lining cutting (18) is after installation is complete
Reinstall cutterhead (5).Then the soil body configured is filled in model casing (1), to simulate different wall rock conditions.First
Start jacking system and cutting system, starts the cutting soil body when reserved excavation face (26) position before cutterhead (5) reaches, under cutting
The soil body come flows into soil pressure cabin (19), starts soil output (14) after stable soil pressure is set up in soil pressure cabin (19).Shield
By adjusting in cutterhead (5) rotating speed, the rotating speed of move speed and soil output (14) in structure machine tunneling process, shield machine is made to open
Digging face keeps stablizing.Reserved excavate hole (26) enter model casing (1) to shield machine in the past in tunneling process.Cutter plate driver motor (7)
It is rotated by cutter plate driver axis (6) band movable knife disc (5), realizes the digging to the front soil body.Jacking motor (8) passes through synchronous pulley
(12) two jacking leading screw (9) synchronous rotaries are driven, drive mobile sliding block (11) to move forward with this, to realize shield machine forward
Jacking.Soil pressure cabin (19) is stretched into the import of soil output (14), and outlet is connected with the soil-discharging port (16) at shield machine rear portion, starts
After soil output, the dregs in soil pressure cabin (19) falls directly into dregs case (17) after soil-discharging port (16) discharge.It was excavating
Cheng Zhong, the soil pressure and water pressure of pressure sensor (28,29) on cutterhead (5) monitoring excavation face in real time, passes through wireless transmission
Device (30) and reception device real time emission and acquisition cutterhead and the soil pressure in lining cutting and hydraulic pressure force data.Pressure in lining cutting passes
In the embedded sensor preformed hole (36) of sensor (28,29), the soil pressure and water pressure of monitoring lining cutting (18) outside, sensor lead from
The external wire lead slot (37) of lining cutting (18) is drawn, and is directly connect with external data harvester.After the completion of excavation, shield machine front end
It appears, lining cutting (20) is fixed on model casing (1) using mounting flange (20), by cutterhead (5) from rear reserved excavation hole (27)
It is dismantled with assembled lantern ring (21,22), so that shield machine is recalled along driving route original road, lining cutting (18) is stayed in the tunnel for excavating and completing
It is interior, the driving and protective function of experiment shield machine are realized with this.
Cutting system includes cutterhead (5), cutter plate driver axis (6), partition board (4) and cutter plate driver motor (7).Cutterhead (5) is logical
It crosses cutter plate driver axis (6) with cutter plate driver motor (7) to be connected, cutter plate driver axis (6) peace turns on partition board (4), cutter plate driver electricity
Machine (7) is fixed on shield tail.Cutter plate driver motor (7) is rotated by cutter plate driver axis (6) band movable knife disc (5), is realized to front soil
The digging of body.The rotating speed and torque that can acquire and record in real time cutterhead in cutting system, with cutterhead rotating speed parameter in order to control.
Jacking system include jacking motor (8), two jacking leading screws (9), two be oriented to optical axises (10), floating support (2),
Two mobile sliding blocks (11).Mobile sliding block (11) is fixed on shield shell (3) tail portion, and is connect with jacking leading screw (9).Jacking motor
(8) it is mounted on reaction frame (13), jacking motor (8) drives jacking leading screw (9) synchronous rotary by synchronous pulley (12), with this
Mobile sliding block (11) is driven to move forward, to realize shield machine jacking forward.Top can be acquired and recorded in real time in jacking system
Into speed, jacking displacement and jacking power, using move speed as controling parameter.
Unearthed system includes soil output (14), soil output driving motor (15), soil-discharging port (16), dregs case
(17).Space between cutterhead (5) and partition board (4) constitutes soil pressure cabin (19), and soil output (14) selects shaft type, is stretched into Tu Kou
Ballasting of burying (19), soil outlet are connected with the soil-discharging port (16) at shield machine rear portion, and dregs is directly fallen after soil-discharging port (16) discharge
Enter dregs case (17).The rotating speed of soil output can be acquired and recorded in real time in the system of being unearthed, and in this, as controling parameter.
Support system includes lining cutting (18), floating support (2) and mounting flange (20).PE tubing is selected in lining cutting (18), interior
Diameter is bigger than shield shell outer diameter, and lining cutting (18) is sleeved on shield shell (3) outside, lining cutting is fixed on shield shell using assembled lantern ring (21,22)
(3) on, holding shield shell (3) and lining cutting (18) section is concentric circles.Pin-connected panel lantern ring is arranged in lining cutting (18) and shield shell (3) junction
(21), prevent water, soil from entering the gap between lining cutting (18) and shield shell (3).Cutterhead (5) diameter is identical as lining cutting (18) diameter,
It is bigger 5mm than lining cutting (18) diameter to excavate diameter of section.Cutterhead (5) can be freely disassembled, and cutterhead (5) is reserved from rear after the completion of excavation
It excavates hole (27) to appear, lining cutting (18) is fixed on model casing (1) using mounting flange (20).By cutterhead (5) and pin-connected panel
After lantern ring (21,22) dismounting, shield machine original road is recalled, that is, completes the excavation of shield tunnel and supporting in model test.
Cutterhead pressure monitor system includes compression sensor (28), osmometer (29), wireless transmitter (30).Cutterhead
(5) five compression sensors (28) and three osmometers (29) are arranged on, wherein 1 pair is arranged in cutter head center, remaining is several right
It is arranged in cutterhead periphery.Cutterhead bearing (6) front is hollow structure, and the lead of cutterhead sensor (28,29) is carried on the back by cutterhead (5)
Upper thread slot (31) enters cutterhead bearing (6) inside, and is connect with the wireless transmitter (30) at cutterhead bearing (6) rear portion.Wireless hair
Emitter (30) is fixed on cutterhead bearing (6) end.The electric signal of pressure sensor can be filled and change nothing by wireless transmitter (30)
Line signal is launched, and the radio receiver of outside setting converts radio signals into electric signal again, will by demodulating instrument
Electric signal is converted into pressure data and is stored.
Claims (8)
1. the earth pressure balance model shield testing machine of a kind of achievable cutterhead and lining cutting pressure monitoring function, it is characterised in that：Packet
Include model casing, cutting system, jacking system, unearthed system, support system and pressure monitor system；
The forward and backward excavation face of model casing (1), which is reserved to excavate hole (26) and reserve afterwards before being respectively set, excavates hole (27), and preceding reserve is opened
Borehole (26) and rear reserved excavate are equipped with sealing ring at hole (27) position, floating support is arranged on the outside of preceding reserved excavation hole (26)
(2)；Shield shell (3) front end is connect with partition board (4), and rear end is connect with shield tail；Cutting system includes cutterhead (5), cutter plate driver axis
(6), partition board (4) and cutter plate driver motor (7)；Cutterhead (5) is connected by cutter plate driver axis (6) with cutter plate driver motor (7), knife
Disk drive shaft (6) is mounted on partition board (4), and cutter plate driver motor (7) is fixed on shield tail；Shield machine passes through preceding reserved excavation hole
(26) enter model casing (1), cutter plate driver motor (7) is rotated by cutter plate driver main shaft (6) band movable knife disc (5), is realized to preceding
The digging of necromancer body；Jacking system includes jacking motor (8), two jacking leading screws (9), two guiding optical axises (10), branch of floating
Support (2), two mobile sliding blocks (11)；Mobile sliding block (11) is fixed on shield shell tail portion, and is connect with jacking leading screw (9)；Jacking electricity
Machine (8) is mounted on reaction frame (13), and jacking motor (8) drives jacking leading screw (9) to rotate by synchronous pulley (12), with this band
Dynamic mobile sliding block (11) moves forward, to realize shield machine jacking forward；It is propped up respectively with floating at the both ends for being oriented to optical axis (10)
(2) and reaction frame (13) connection are supportted, two are oriented to optical axis (10) and tunnel longitudinal centre line keeping parallelism, and model shielding machine edge is led
It is tunneled forward to optical axis (10)；
Unearthed system includes soil output (14), soil output driving motor (15), soil-discharging port (16), dregs case (17)；
Space between cutterhead (5), partition board (4) and lining cutting (18) constitutes soil pressure cabin (19)；Soil output (14) selects shaft type, into soil
Mouth stretches into soil pressure cabin (19), and soil outlet is connected with the soil-discharging port (16) at shield machine rear portion, and dregs is straight after soil-discharging port (16) discharge
It connects and falls into dregs case (17)；
Support system includes lining cutting (18), floating support (2) and mounting flange (20)；PE tubing, internal diameter ratio are selected in lining cutting (18)
Shield shell outer diameter is big, and lining cutting (18) is sleeved on shield shell (3) outside, is fixed on lining cutting (18) in partition board (4) and shield shell (3) end
Outside shield shell, holding shield shell (3) and lining cutting (18) section is concentric circles；Pin-connected panel before lining cutting (18) and the setting of shield shell (3) junction
Lantern ring (21), rear pin-connected panel lantern ring (22), with preceding pin-connected panel lantern ring (21), rear pin-connected panel lantern ring (22) and lining cutting (18) and shield shell
(3) it is fixed together, prevents water, soil from entering the gap between lining cutting (18) and shield shell (3)；Cutterhead (5) diameter and lining cutting (18)
Diameter is identical, and it is bigger 5mm than lining cutting (18) diameter to excavate diameter of section；Cutterhead (5) is freely disassembled, after the completion of excavation cutterhead (5) from
Excavation hole (27) is reserved afterwards to appear, and lining cutting (18) is fixed on model casing (1) using mounting flange (20)；By cutterhead (5) and
After preceding pin-connected panel lantern ring (21), rear pin-connected panel lantern ring (22) dismounting, takes and recall model shielding machine original road, that is, complete model test
The excavation of middle shield tunnel and supporting；
Pressure monitor system includes compression sensor (28), osmometer (29), wireless transmitter (30)；Cutterhead is arranged on (5)
Five compression sensors (28) and three osmometers (29), one pair of which compression sensor (28) and a pair of of osmometer (29)
It is arranged in the center of cutterhead (5), remaining compression sensor (28) and osmometer (29) are arranged in cutterhead periphery；Cutterhead bearing
(6) front be hollow structure, compression sensor (28), osmometer (29) lead by cutterhead (5) back side wire casing (31) into
It is internal to enter cutterhead bearing (6), and is connect with the wireless transmitter (30) at cutterhead bearing (6) rear portion；Wireless transmitter (30) is fixed
In cutterhead bearing (6) end；Wireless transmitter (30) can change the electric signal of pressure sensor dress into wireless signal transmission and go out
It goes, the radio receiver of outside setting converts radio signals into electric signal again, is converted the electrical signal to by demodulating instrument
Pressure data is stored.
2. a kind of achievable cutterhead according to claim 1 and the examination of the earth pressure balance model shield of lining cutting pressure monitoring function
Test machine, it is characterised in that：Shield machine base (23) is equipped with Process for Heavy Support foot universal wheel (24), Process for Heavy Support foot universal wheel (24)
The movement of shield machine can be easily realized when landing；After model casing (1) position is fixed, shield machine is moved to matching position, makes branch
Spike lands, and the height by adjusting support leg makes shield machine base (23) and model casing (1) pedestal be maintained at same level
On；Shield machine base (23) and model casing (1) pedestal are linked together by pedestal connecting plate (38) using high-strength bolt；It floats
Support (2) is linked together by floating support connecting plate (34) and model casing (1), and floating support connecting plate is provided on (34)
Jacking leading screw mounting hole；Reaction frame (13) is arranged in shield machine base (23) rear, is arranged between reaction frame (13) and model casing (1)
There are two to be oriented to optical axis (10), model shielding machine tunnels forward after originating along guiding optical axis (10).
3. a kind of achievable cutterhead according to claim 1 and the examination of the earth pressure balance model shield of lining cutting pressure monitoring function
Test machine, it is characterised in that：Cutterhead (5) is plate spoke cutterhead, and aperture opening ratio is designed according to the type banketed in model casing；Partition board
(4) soil pressure cell (32) is installed, to monitor the soil pressure in soil pressure cabin (19), soil pressure cell (32) lead passes through shield shell on
(3) internal conduit (35) is drawn.
4. a kind of achievable cutterhead according to claim 1 and the examination of the earth pressure balance model shield of lining cutting pressure monitoring function
Test machine, it is characterised in that：Pin-connected panel lantern ring includes preceding pin-connected panel lantern ring (21) and rear pin-connected panel lantern ring (22), preceding pin-connected panel lantern ring
(21) it is bolted on partition board (4), shield shell (3) is connect by rear pin-connected panel lantern ring (22) at shield tail with lining cutting (18)
Together.
5. a kind of achievable cutterhead according to claim 1 and the examination of the earth pressure balance model shield of lining cutting pressure monitoring function
Test machine, it is characterised in that：Floating support (2) is provided with the mounting hole (25) and jacking leading screw mounting hole (34) for being oriented to optical axis,
Five bearings (33) are installed in central excavation hole, can prevent model shielding machine tunneling direction from deviateing, while reducing in driving
Resistance.
6. a kind of achievable cutterhead according to claim 1 and the examination of the earth pressure balance model shield of lining cutting pressure monitoring function
Test machine, it is characterised in that：Excavation system, jacking system and unearthed system are all independent control；It can be adopted in real time in excavation system
The rotating speed and torque of collection and record cutterhead, with cutterhead rotating speed, parameter, cutterhead can realize positive and negative rotating function in order to control；In jacking system
It can acquire and record in real time move speed, jacking displacement and jacking power, using move speed as controling parameter, energy during experiment
Advance, shutdown and the fallback function of implementation model shield machine；Soil output can be acquired and record in real time in the system of being unearthed
Rotating speed, and in this, as controling parameter, soil output can also realize positive and negative rotating function；Each systematic parameter is carried out by console
Control and monitoring.
7. a kind of achievable cutterhead according to claim 1 and the examination of the earth pressure balance model shield of lining cutting pressure monitoring function
Test machine, it is characterised in that：Compression sensor (28) and osmometer (29) precision height, diameter are small, are rear line-outgoing type structure, embedding
Enter inside cutterhead disc, sensitive surface is flushed with disc surface, and the wire lead slot inner sensor of cutterhead (5) and cutterhead bearing (6) draws
Line is encapsulated inside it with glue.
8. a kind of achievable cutterhead according to claim 1 and the examination of the earth pressure balance model shield of lining cutting pressure monitoring function
Test machine, it is characterised in that：First lining cutting is fixed on outside shield shell before on-test, lining cutting and shield shell section is made to keep concentric；
Lining cutting sensor is embedded in lined internal, and lead is exported by the wire lead slot being arranged in lining cutting, and is connect with data acquisition instrument；So
After cutterhead is installed, cutterhead sensor lead enters cutter plate driver axis by the wire casing at the cutter head panel back side, during cutter plate driver axis is
Empty component, thus sensor lead guides to cutter plate driver shaft end, and connect with wireless transmitter；Installation is complete backward model casing
The soil body configured is inside filled, starts shield machine after the completion of filling through carrying out Shield Tunneling simulation test；Cutter plate driver electricity
Machine is rotated by cutter plate driver axis band movable knife disc, realizes the cutting to the front soil body；Jacking motor drives two by synchronous pulley
Jacking screw synchronous rotates, and drives mobile sliding block to move forward with this, shield machine is made constantly to tunnel forward；It is cut in tunneling process
The soil body to get off enters the soil pressure cabin between cutterhead and partition board, and soil pressure cabin, outlet and shield machine are stretched into the import of soil output
The soil-discharging port at rear portion is connected, and starting soil output makes dregs be discharged into dregs case from soil pressure cabin；In digging process, on cutterhead
Pressure sensor monitors soil pressure and water pressure in front of cutterhead in real time, by wireless transmission and reception device real time emission and adopts
Collect cutterhead and the soil pressure in lining cutting and hydraulic pressure force data；After the completion of excavation, shield machine front end is appeared from rear reserved excavation hole, is adopted
Lining cutting is fixed on model casing with mounting flange, then dismantles cutterhead, so that shield machine is recalled along driving route original road, will serve as a contrast
It builds in the tunnel for staying in and excavating and completing, the driving and protective function of experiment shield machine is realized with this.
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| CN201810197391.9A CN108506005B (en) | 2018-03-11 | 2018-03-11 | A kind of earth pressure balance model shield testing machine of achievable cutterhead pressure monitoring function |
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|---|---|---|---|
| CN201810197391.9A CN108506005B (en) | 2018-03-11 | 2018-03-11 | A kind of earth pressure balance model shield testing machine of achievable cutterhead pressure monitoring function |
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| CN108506005B CN108506005B (en) | 2019-08-09 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109725128A (en) * | 2019-01-17 | 2019-05-07 | 中国水利水电科学研究院 | A kind of TBM tunneling process simulated testing system and test method |
| CN109738221A (en) * | 2019-01-22 | 2019-05-10 | 安徽建筑大学 | A kind of laboratory test simulation system of jacking construction |
| CN110080778A (en) * | 2019-03-20 | 2019-08-02 | 中铁四局集团有限公司 | River-crossing tunnel soil pressure sensor arrangement method |
| CN110195596A (en) * | 2019-06-03 | 2019-09-03 | 石家庄铁道大学 | A kind of model test earth pressure balanced push-bench analogy method and constructional device |
| CN110261151A (en) * | 2019-06-10 | 2019-09-20 | 石家庄铁道大学 | A kind of pipe jacking tunnel method for analog construction and model equipment |
| CN112365785A (en) * | 2020-10-20 | 2021-02-12 | 山东大学 | Servo type composite earth pressure balance micro shield device and working method |
| CN114278311A (en) * | 2021-12-07 | 2022-04-05 | 北京工业大学 | Device and method for coupling control of shield tunnel tunneling speed |
| US11359490B2 (en) * | 2018-04-19 | 2022-06-14 | China University Of Mining And Technology | Multi-functional intelligent tunneling apparatus and method for simulating partial excavation of tunnel |
| CN115420874A (en) * | 2022-07-22 | 2022-12-02 | 山东大学 | Experimental device and method for researching influence of cutter head cutting on excavation face fracture |
| CN116021249A (en) * | 2023-03-27 | 2023-04-28 | 北京建工土木工程有限公司 | Mobile vehicle for disassembling cutter head of shield machine in shield tunnel and construction method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06299788A (en) * | 1993-04-16 | 1994-10-25 | Sumitomo Constr Co Ltd | Earth-pressure shield method and excavated earth moving device |
| CN2771845Y (en) * | 2004-12-09 | 2006-04-12 | 上海隧道工程股份有限公司 | Large-sized shield driving analogue test platform |
| CN101398986A (en) * | 2008-11-10 | 2009-04-01 | 西南交通大学 | Indoor model tunnel shields for simulating shield tunneling construction in urban subway |
| CN102221474A (en) * | 2011-02-28 | 2011-10-19 | 西南交通大学 | Muddy water balance type shield simulation testing system |
| CN202041394U (en) * | 2011-02-28 | 2011-11-16 | 西南交通大学 | Testing device for mud-water balanced type model shield |
| CN102840990A (en) * | 2011-06-22 | 2012-12-26 | 上海日浦信息技术有限公司 | Earth pressure balance type shield simulation test system |
| CN204591284U (en) * | 2015-05-08 | 2015-08-26 | 上海城建市政工程（集团）有限公司 | Packaged type shield structure stratum soil improvement device |
| CN105781561A (en) * | 2016-03-28 | 2016-07-20 | 中南大学 | Indoor earth pressure balance shield tunneling simulation system for studying soft ground stress response |
| CN105952461A (en) * | 2016-06-17 | 2016-09-21 | 西南交通大学 | Testing apparatus and testing method for simulating improvement of residue earth during earth pressure balance shield construction |
-
2018
- 2018-03-11 CN CN201810197391.9A patent/CN108506005B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06299788A (en) * | 1993-04-16 | 1994-10-25 | Sumitomo Constr Co Ltd | Earth-pressure shield method and excavated earth moving device |
| CN2771845Y (en) * | 2004-12-09 | 2006-04-12 | 上海隧道工程股份有限公司 | Large-sized shield driving analogue test platform |
| CN101398986A (en) * | 2008-11-10 | 2009-04-01 | 西南交通大学 | Indoor model tunnel shields for simulating shield tunneling construction in urban subway |
| CN102221474A (en) * | 2011-02-28 | 2011-10-19 | 西南交通大学 | Muddy water balance type shield simulation testing system |
| CN202041394U (en) * | 2011-02-28 | 2011-11-16 | 西南交通大学 | Testing device for mud-water balanced type model shield |
| CN102840990A (en) * | 2011-06-22 | 2012-12-26 | 上海日浦信息技术有限公司 | Earth pressure balance type shield simulation test system |
| CN204591284U (en) * | 2015-05-08 | 2015-08-26 | 上海城建市政工程（集团）有限公司 | Packaged type shield structure stratum soil improvement device |
| CN105781561A (en) * | 2016-03-28 | 2016-07-20 | 中南大学 | Indoor earth pressure balance shield tunneling simulation system for studying soft ground stress response |
| CN105952461A (en) * | 2016-06-17 | 2016-09-21 | 西南交通大学 | Testing apparatus and testing method for simulating improvement of residue earth during earth pressure balance shield construction |
Cited By (13)
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|---|---|---|---|---|
| US11359490B2 (en) * | 2018-04-19 | 2022-06-14 | China University Of Mining And Technology | Multi-functional intelligent tunneling apparatus and method for simulating partial excavation of tunnel |
| CN109725128A (en) * | 2019-01-17 | 2019-05-07 | 中国水利水电科学研究院 | A kind of TBM tunneling process simulated testing system and test method |
| CN109738221B (en) * | 2019-01-22 | 2021-06-22 | 安徽建筑大学 | Indoor test simulation system for pipe jacking construction |
| CN109738221A (en) * | 2019-01-22 | 2019-05-10 | 安徽建筑大学 | A kind of laboratory test simulation system of jacking construction |
| CN110080778A (en) * | 2019-03-20 | 2019-08-02 | 中铁四局集团有限公司 | River-crossing tunnel soil pressure sensor arrangement method |
| CN110195596A (en) * | 2019-06-03 | 2019-09-03 | 石家庄铁道大学 | A kind of model test earth pressure balanced push-bench analogy method and constructional device |
| CN110261151A (en) * | 2019-06-10 | 2019-09-20 | 石家庄铁道大学 | A kind of pipe jacking tunnel method for analog construction and model equipment |
| CN112365785A (en) * | 2020-10-20 | 2021-02-12 | 山东大学 | Servo type composite earth pressure balance micro shield device and working method |
| CN114278311A (en) * | 2021-12-07 | 2022-04-05 | 北京工业大学 | Device and method for coupling control of shield tunnel tunneling speed |
| CN114278311B (en) * | 2021-12-07 | 2023-11-24 | 北京工业大学 | Device and method for coupling control of shield tunneling speed |
| CN115420874A (en) * | 2022-07-22 | 2022-12-02 | 山东大学 | Experimental device and method for researching influence of cutter head cutting on excavation face fracture |
| CN116021249A (en) * | 2023-03-27 | 2023-04-28 | 北京建工土木工程有限公司 | Mobile vehicle for disassembling cutter head of shield machine in shield tunnel and construction method |
| CN116021249B (en) * | 2023-03-27 | 2023-05-30 | 北京建工土木工程有限公司 | Mobile vehicle for disassembling cutter head of shield machine in shield tunnel and construction method |
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